Inventor · disambiguated record
Yongquan Chai
Also filed as: CHAI YONGQUAN
5 granted patents·2 pending applications·47 citations·filing 2008–2016
78Inventor score
Top patents by PatentIndex Score
7 records- 0193US8920757B1Reductant dosing control systems and methodsCUMMINS EMISSION SOLUTIONS INC·Filed 2013·Granted Dec 30, 2014·23 cites·23 claims
- 0290US8888017B2System, method, and apparatus for delivering highly atomized diesel exhaust fluid to an exhaust aftertreatment systemPONNATHPUR CHETAN·Filed 2011·Granted Nov 18, 2014·14 cites·20 claims
- 0386US9255512B2Urea injection systems wash cyclesHUANG WEI·Filed 2012·Granted Feb 9, 2016·9 cites·26 claims
- 0455US10094259B2Systems and techniques for heating urea injection systemsCUMMINS EMISSION SOLUTIONS INC·Filed 2016·Granted Oct 9, 2018·0 cites·15 claims
- 0553US9458746B2Systems and techniques for heating urea injection systemsCUMMINS EMISSION SOLUTIONS INC·Filed 2013·Granted Oct 4, 2016·1 cites·16 claims
- 0644US2016032805A1Reintroduction of Air in Delivery System AccumulatorCUMMINS IP INC·Filed 2014·Application pending·0 cites
- 0739US2009241683A1Mass air flow sensor adaptorCUMMINS INC·Filed 2008·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →